I have a Digital one by Top Vapor its great but it really depends on your price range and what are you looking for. Glass whips, vape bags, portability, and things like that.
My cheap Ebay Vape Works Great.... There is A learning Curve for a Veteran Smoker To not be blowing billows of smoke out to get high..... but yes very little air pollution if any at all..... and you do get figgin high As hell lol
39.99 ebay Doing a review as we speak I have only had it for 3 days I love it